SOLUTION: A college bookstore adds 25% to the publisher's price before selling a textbook to students. If a student pays $80 for a College Algebra text, how much did the bookstore pay for th

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Question 894221: A college bookstore adds 25% to the publisher's price before selling a textbook to students. If a student pays $80 for a College Algebra text, how much did the bookstore pay for the book?







Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Let p = publisher's price.
Let b = bookstore's price.

highlight%28b=p%2A%281.25%29%29, rearrangeable into p=b%2F1.25.
The student paid the bookstore price of b=80.

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

A college bookstore adds 25% to the publisher's price before selling a textbook to students. If a student pays $80 for a College Algebra text, how much did the bookstore pay for the book?


Bookstore paid: 80%2F1.25, or $highlight_green%2864%29